rummy n. + Add to list US //ˈɹəmi// UK //ɹˈʌmi// rum·my Archaic Informal SynonymsEtymology Synonyms curiousdrunkdrunkardfunnyinebriateoddpeculiarrumsotwinoEtymology 1DEURuhm→ENrummy Unknown, with much speculation. Perhaps related to rum via poker slang, or ultimately from German Ruhm.Etymology 2 From rum + -y.